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///////////////////////////////////////////////////////////////////////////////
//
/// \file coder.h
/// \brief Compresses or uncompresses a file
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
enum operation_mode {
MODE_COMPRESS,
MODE_DECOMPRESS,
MODE_TEST,
MODE_LIST,
};
// NOTE: The order of these is significant in suffix.c.
enum format_type {
FORMAT_AUTO,
FORMAT_XZ,
FORMAT_LZMA,
#ifdef HAVE_LZIP_DECODER
FORMAT_LZIP,
#endif
FORMAT_RAW,
};
/// Operation mode of the command line tool. This is set in args.c and read
/// in several files.
extern enum operation_mode opt_mode;
/// File format to use when encoding or what format(s) to accept when
/// decoding. This is a global because it's needed also in suffix.c.
/// This is set in args.c.
extern enum format_type opt_format;
/// If true, the compression settings are automatically adjusted down if
/// they exceed the memory usage limit.
extern bool opt_auto_adjust;
/// If true, stop after decoding the first stream.
extern bool opt_single_stream;
/// If non-zero, start a new .xz Block after every opt_block_size bytes
/// of input. This has an effect only when compressing to the .xz format.
extern uint64_t opt_block_size;
/// This is non-NULL if --block-list was used. This contains the Block sizes
/// as an array that is terminated with 0.
extern uint64_t *opt_block_list;
/// Set the integrity check type used when compressing
extern void coder_set_check(lzma_check check);
/// Set preset number
extern void coder_set_preset(uint32_t new_preset);
/// Enable extreme mode
extern void coder_set_extreme(void);
/// Add a filter to the custom filter chain
extern void coder_add_filter(lzma_vli id, void *options);
///
extern void coder_set_compression_settings(void);
/// Compress or decompress the given file
extern void coder_run(const char *filename);
#ifndef NDEBUG
/// Free the memory allocated for the coder and kill the worker threads.
extern void coder_free(void);
#endif
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